Numerical analysis of double chirp effect in tapered and linearly chirped fiber Bragg gratings

Konrad Markowski , Kazimierz Jędrzejewski , Tomasz Osuch

Abstract

In this paper, a theoretical analysis of recently developed tapered chirped fiber Bragg gratings (TCFBG) written in co-directional and counter-directional configurations is presented. In particular, the effects of the synthesis of chirps resulting from both a fused taper profile and a linearly chirped fringe pattern of the induced refractive index changes within the fiber core are extensively examined. For this purpose, a numerical model based on the transfer matrix method (TMM) and the coupled mode theory (CMT) was developed for such a grating. The impact of TCFBG parameters, such as grating length and steepness of the taper transition, as well as the effect of the fringe pattern chirp rate on the spectral properties of the resulting gratings, are presented. Results show that, by using the appropriate design process, TCFBGs with reduced or enhanced resulting chirp, and thus with widely tailored spectral responses, can be easily achieved. In turn, it reveals a great potential application of such structures. The presented numerical approach provides an excellent tool for TCFBG design.
Author Konrad Markowski ISE
Konrad Markowski,,
- The Institute of Electronic Systems
, Kazimierz Jędrzejewski ISE
Kazimierz Jędrzejewski,,
- The Institute of Electronic Systems
, Tomasz Osuch ISE - [Instytut Łączności PIB (IŁ PIB)]
Tomasz Osuch,,
- The Institute of Electronic Systems
- Instytut Łączności PIB
Journal seriesApplied Optics, ISSN 1559-128X [0003-6935]
Issue year2016
Vol55
No17
Pages4505-4513
Publication size in sheets0.5
DOIDOI:10.1364/AO.55.004505
URL https://www.osapublishing.org/ao/abstract.cfm?uri=ao-55-17-4505
projectResearch on measurement, circuit and signal theory and electronic circuits and systems. Project leader: Starecki Tomasz, , Phone: +48 22 825 37 09; 22 234 7744; +48 22 234 3657, start date 12-05-2016, end date 31-12-2017, ISE/2016/DS, Completed
WEiTI Działalność statutowa
Languageen angielski
Score (nominal)30
ScoreMinisterial score [Punktacja MNiSW] = 25.0, 27-03-2017, ArticleFromJournal
Ministerial score (2013-2016) [Punktacja MNiSW (2013-2016)] = 30.0, 27-03-2017, ArticleFromJournal
Publication indicators WoS Impact Factor [Impact Factor WoS]: 2016 = 1.65 (2) - 2016=1.645 (5)
Citation count*9 (2018-06-16)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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